Optical fiber fabrication by a plasma generator

Details Optical fiber fabrication by a plasma generator Optical fiber fabrication by a plasma generator

1980-04-25

1982-05-25

Fisher, Richard V.

Glass manufacturing

Processes

Forming product or preform from molten glass

427 39, 427163, C03B 3707

Patent

active

043314627

ABSTRACT:
Optical fiber preforms are produced by means of a duplex hot zone, a section of which is defined by an r.f. generated plasma fire ball. The process operates within a tube with gaseous precursor material reacting within the hot zone to result in deposited material of the desired preform glass composition. A "smoothing" region within the hot zone is defined by tube surface at a temperature sufficiently elevated to consolidate any particulate material resulting from reaction. In some aspects, the disclosed procedures may be regarded as Modified Chemical Vapor Deposition. Commercial significance resides in significantly increased throughput of preforms and, consequently, in fiber.

REFERENCES:
patent: 4125389 (1978-11-01), King
patent: 4145456 (1979-03-01), Kuppers et al.
patent: 4217027 (1980-08-01), MacChesney et al.
patent: 4262035 (1981-04-01), Jaeger et al.

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